403.3 Number of occupants of each sex. The required water
closets, lavatories, and
showers or bathtubs shall be distributed equally between the
sexes based on the
percentage of each sex anticipated in the occupant load. The
occupant load shall be
composed of 50 percent of each sex, unless statistical data
approved by the commissioner indicate a different distribution of
the sexes.

Nomura's population on these lower level floors, which the Post
believes are most likely the trading floors, is 75 percent male
and 25 percent female.